G409 is a good kind of clarificant. (NH4) 2CO3 is the best amino chemical compound of the several reactant used in this study because of its advantages of low cost and good result.

• 作为反应剂的氨基化合物以碳酸铵为宜，它具有成本低、效果好的优点，碳酸铵用量以2%25（按原料糖蜜计）为宜。